one of the Earth's seven largest land masses

the surrounding in which people, plants, and animals live

the gradual wearing away of Earth's surface

the kind of weather a place has over time

the land that is drained by a river system

a stream or river that flows into a larger stream or river

the height of land in relation to sea level

the use of canals, pipes or ditches to move water

a place where the land drops sharply, causing rivers to form waterfalls or rapids

resources that cannot be made again by people, or that would take thousands of years for nature to replace

resources that can be made again by people or by nature

oil is a renewable resource

trees are a renewable resource

an area of water extending into the land from a larger body of water

something found in nature that people can use

a large inlet

using less energy to do the same tasks

the number of people who live in an area

a group of connected mountains

flat rolling land mostly covered by grasses

a river and its tributaries

the 2 U.S. states that are not contiguous

How many states make up the United States?

What is the largest river system in the U.S.?

A river begins at the ______

A river ends at the ______.

The oldest mountains in the U.S.

the largest mountains in the U.S.

The largest country in North America based on population

Our neighbor to the north

Georgia's climate region

An imaginary line that divides the rivers of the United States into those flowing east into the Atlantic Ocean and those flowing west into the Pacific Ocean

The largest inlet in the U.S.

flat low land along the Atlantic Ocean